← Back to Ingredients Directory
Cell Turnover / RetinoidsRecommended: PM Slot

Retinol

Clinical Overview

Over-the-counter vitamin A derivative that converts into retinoic acid to accelerate epidermal transit time.

Epidermal & Cutaneous Mechanism

Undergoes two-step enzymatic oxidation via retinol dehydrogenase into retinaldehyde, then retinoic acid, binding RAR receptors.

Addresses Skin Concerns
Fine lines & elasticityUneven texturePost-inflammatory hyperpigmentation
Recognized INCI Names on Packaging Labels
RetinolRetinyl PalmitateRetinyl AcetateMicroencapsulated Retinol
Compatible Synergies
  • ✓Ceramides & Lipids
  • ✓Hyaluronic Acid & Polyols
  • ✓Niacinamide
Separate or Alternate
  • ⚠️AHA & BHA Acids
  • ⚠️Benzoyl Peroxide
  • ⚠️Pure L-Ascorbic Acid

Layering Rules & Life-State Compatibility